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9 October, 21:30

9 more than four times a number is the same as one less than twice the number. Find the number

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  1. 9 October, 22:03
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    x = - 5

    Step-by-step explanation:

    4x+9=2x-1

    -9 - 9

    4x=2x-10

    -2x - 2x

    2x=-10

    /2 / 2

    x=-5

    Check:

    4x+9=2x-1

    4 (-5) + 9=2 (-5) - 1

    -20+9=-10-1

    -11=-11 Correct!
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